Conductivity measurement of poly(vinyl borate) and its lithium derivative in solid state

被引:16
作者
Chetri, Prafulla [1 ]
Dass, Narendra N. [1 ]
Sen Sarma, Neelotpal [1 ]
机构
[1] IASST, Div Sci Mat, Polymer Unit, Gauhati 781035, Assam, India
来源
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 2007年 / 139卷 / 2-3期
关键词
ethyl nitrate diniethyl sulfoxide; poly(vinyl alcohol); poly(vinyl borate); lithium derivative of poly(vinyl borate); conductivity;
D O I
10.1016/j.mseb.2007.02.010
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Poly(vinyl borate), PVBO and lithium derivative of PVBO can be prepared by homogeneous esterification of PVA with boric acid in non-aqueous medium in the presence of a catalyst C2H5ONO2-DMSO. The compounds were characterised by IR and H-1 NMR spectra. Conductivities were determined from 30 to 90 degrees C in solid state. The compounds so formed showed ionic conductivity and their conductivities were dependent on frequencies used. The addition of Li+ ion increases the ionic conductivity of PVBO dramatically. The total ionic transport number and activation energy of the polymers were also determined. (c) 2007 Elsevier B.V. All rights reserved.
引用
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页码:261 / 264
页数:4
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